About This Product Material: The pressure cooker cover is made of high quality Oxford polyester. The wiped aluminum foil lining ensures easy cleaning. (Tip: Includes only one protective case.) STORAGE AREAS: Top zippered pocket for storing pressure cooker lids and other accessories. (Tip: Please remove the pressure cooker lid from the top pocket if the Ninja pressure cooker is not covered with this lid.) Front pocket for cookbook and other accessories. Easy Recording: Cover with top handle for easy grip. The neat seams effectively extend the life of this pressure cooker cover.